The most expensive modern version of the pull-rod coffee machine: Bolu Lian limited edition

In the history of the development of coffee utensils, the pull rod Espresso coffee machine is a milestone in the chemical era. It breaks through the production of various coffee utensils in the past, allowing high-pressure hot water to pass through coffee powder, emulsifying coffee oil and supersaturated into carbon dioxide bubbles to form Crema to get what we call Espresso coffee.